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 INTERFACE: Set contents

 edges_ref

    Return the internal used ArrayRef representing the set.

    I don't think you should use this method.

 edges

    Return the internal used Array representing the set.

    I don't think you should use this method.

 edge_size

    Return the number of edges

 span_size

    Return the number of spans

 as_string

    Return a string representation of the set.

 as_array

    Return an array containing all the members of the set in ascending
    order.

 INTERFACE: Span contents

 ranges

    Returns the runs in $set, as a list of ($lower, $upper)

 spans

    Returns the runs in $set, as a list of [$lower, $upper]

 sets

    Returns the runs in $set, as a list of AlignDB::IntSpan objects. The
    sets in the list are in order.

 runlists

    Returns the runs in $set, as a list of "$lower-$upper"

 INTERFACE: Set cardinality

 cardinality

    Returns the number of elements in $set.

 is_empty

    Return true if the set is empty.

 is_not_empty

    Return true if the set is not empty.

 is_neg_inf

    Return true if the set is negtive infinite.

 is_pos_inf

    Return true if the set is positive infinite.

 is_infinite

    Return true if the set is infinite.

 is_finite

    Return true if the set is finite.

 is_universal

    Return true if the set contains all integers.

 INTERFACE: Membership test

 contains_all

    Return true if the set contains all of the specified numbers.

 contains_any

    Return true if the set contains any of the specified numbers.

 INTERFACE: Member operations

 add_pair

        $set->add_pair($lower, $upper);

    Add a pair of inclusive integers to the set.

    A pair of arguments constitute a range

 add_range

        $set->add_range($lower, $upper);

    Add the inclusive range of integers to the set.

    Multiple ranges may be specified. Each pair of arguments constitute a
    range

 add_runlist

        $set->add_runlist($runlist);

    Add the specified runlist to the set.

 add